Douluo: In an extraordinary world, with unparallel understanding!

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Mu En mastered the unparalleled battle technique Sovereign Over All, integrating spiritual power with soul power to control the forces of heaven and earth, unleashing terrifying might.

Naturally, Su Yu had yet to develop such a perfected technique. 

However, the sword he wielded at this moment combined spiritual power, soul power, and the energy of heaven and earth, making it equally formidable. 

The Thunder Prison Vine had been poised to strike, releasing a devastating thunderstorm that erupted around Su Yu. 

Surrounded by sword energy, Su Yu shredded every bit of the lightning assault. 

The Thunder Prison Vine gathered the thunder energy of its domain, condensing it into a sphere radiating a violet-black glow. The orb clashed with Su Yu's earth-shattering sword strike. 

*Crackle! Boom!* 

Electric sparks exploded in all directions as a burst of sword light pierced into the Thunder Prison Vine's core. 

Su Yu's blood energy surged, his entire being radiating ferocity like a wild beast. The starlight stored within his Star rune erupted, while the Strength and Body runes enhanced his physique. Simultaneously, the Shield rune activated, forming a protective barrier around him. 

In the raging storm of the thunder pool, Su Yu withstood the rampaging lightning with sheer physical resilience. 

His body was now strong enough to absorb a hundred-thousand-year soul ring, attesting to its immense durability and abundant blood energy. 

In Dragon Valley, where the air was so rich in life force that it condensed into blood energy, Su Yu's body rapidly absorbed the latent medicinal power of the numerous herbs and pills he had consumed in the past. Coupled with his immense vitality, it transformed into a boundless reservoir of blood energy. 

Su Yu was now fully synchronized with his battle armor. His body, martial soul, and spiritual power fused seamlessly through the contract and linkage arrays. 

Suddenly, Su Yu erupted with unprecedented speed. 

Blue Silver Grass formed a perpetually regenerating shield around him, intercepting the onslaught of lightning. 

In the blink of an eye, he was in front of the Thunder Prison Vine's core, unleashing a devastating slash with his Divine Slayer Sword. 

*Third Soul Skill: Life Imprint!* 

This time, Su Yu used the highest grade of Life Imprint, merging his blood energy into it. 

The Thunder Prison Vine sensed a fatal threat. Thunder roared around it, a sound akin to its enraged howl. 

High above, a black thunderbolt descended, clashing with Su Yu's strike. 

The sword light cleaved through all the lightning, striking the Thunder Prison Vine's core. 

After two consecutive slashes, Su Yu's energy had begun to wane. 

However, the Thunder Prison Vine was in far worse condition. Having been struck by two sword energies, its surface now bore penetrating wounds. 

"I think it's time we have a little talk, don't you?" 

Su Yu judged that the time was ripe. 

If the battle dragged on, the Thunder Prison Vine might desperately absorb all the thunder from the pool, temporarily increasing its age to seventy or eighty thousand years. 

Of course, such a surge would inevitably end in self-destruction. 

However, such an explosion would also be fatal to Su Yu. 

"What do you want, human?" 

"I think you don't want to stagnate here forever, do you? At most, in ten more years, when you reach sixty thousand years, you won't be able to contain the energy within you. 

Become my soul spirit, and I can help you reach a hundred thousand years as a soul beast—and even beyond that is not impossible." 

"Hmph. Human, why should I trust you?" 

The Thunder Prison Vine didn't believe Su Yu. 

It had ambitions to reach a hundred thousand years and its own path to follow. 

In its view, breaking through to the hundred-thousand-year threshold would leave no regrets. 

Thus, it had frantically gathered lightning to form this thunder pool, though the accumulated energy was still insufficient. 

Even after devouring it all, it could only increase its age to a little over seventy thousand years, far short of its goal. 

Yet, the thunder pool had already reached its limit. 

This left the Thunder Prison Vine deeply frustrated. 

Su Yu's proposal stirred a flicker of temptation, but the vine was cautious enough not to trust him outright. 

"You can trust me. After all, you've seen my strength. With just one ally, I could easily hunt you down. 

But I'm not interested in a soul ring of less than sixty thousand years. 

I've made it clear—I want a hundred-thousand-year Thunder Prison Vine soul ring. 

Given that, I'll ensure my method helps you reach a hundred thousand years." 

Hearing this, the Thunder Prison Vine started to believe Su Yu's words. 

As unbelievable as it seemed, Su Yu's earlier display of physical resilience undeniably proved he could absorb a hundred-thousand-year soul ring. 

This monstrous human had only fifty levels of soul power yet could unleash such overwhelming strength. 

More astonishingly, he intended to make his fifth soul ring a hundred-thousand-year one. 

This man was defying the heavens! 

Then again, defying the heavens? 

The Thunder Prison Vine liked that idea! 

Su Yu didn't know what was running through the vine's mind, but from the calmer thunder around them, he could tell his words had struck a chord. 

"But a hundred thousand years is just a small goal. Once you become my soul spirit and provide me with a hundred-thousand-year soul ring, I'll find a way to elevate your cultivation further." 

The Thunder Prison Vine's excitement was palpable. 

Small goal? 

A hundred thousand years was just a small goal? 

"Soul spirit cultivation preserves almost everything about you. 

After becoming a soul spirit, you should still be able to absorb thunder energy and extend your age. 

And the consequences of absorbing thunder—we can bear them together." 

The more Su Yu explained, the more the Thunder Prison Vine became convinced of the merits of becoming a soul spirit. 

If this was true, then mere survival was a secondary concern. 

The vine's desire to ascend to greater heights bordered on obsession. 

Oppressed by the laws of heaven and earth, its rebellious spirit burned brighter. 

"What is this soul spirit method?" 

When the Thunder Prison Vine asked this, Su Yu knew he had succeeded. 

"The soul spirit method involves both of us signing a soul contract. After you become my soul ring, your soul remains intact and exists as a soul spirit. 

Other than not being able to stray too far from me, you can do as you please." 

Inside the Thunder Prison Vine, its thunder energy surged—it was unclear whether out of excitement or something else. 

"How do we form this contract?" 

Su Yu exhaled in relief. The Thunder Prison Vine was unexpectedly agreeable. 

He summoned his soul power, conjuring runes into the void to form a contract array. 

The intricate array materialized swiftly. 

When the Thunder Prison Vine touched the array, it felt the contract's power descend upon it, forging a faint bond between it and Su Yu. 

What a miraculous sensation.

Su Yu said calmly, "We're only signing a temporary contract for now. Becoming my soul spirit will require you to endure until you reach the ten-thousand-year mark." 

The Thunder Hell Prison Vine crackled with lightning around its body, as though offended by Su Yu's phrasing. 

"Endure until?" 

If it could talk, it might have sneered, As long as your plan works, I'll definitely make it to ten thousand years. And what about self-destruction after that? 

The Thunder Hell Prison Vine now understood the essence of the soul spirit method Su Yu spoke of. It would allow it to transform into a soul spirit before self-detonation, ensuring its existence as part of Su Yu's soul ring. 

"Very well," Su Yu continued, "The most important thing now is finding a way to help you quickly elevate your cultivation to ten thousand years." 

The Thunder Hell Prison Vine bristled with electric impatience, urging Su Yu to get to the point. 

Su Yu smirked. "What do you think about facing a twenty-thousand-year tribulation beast? Would that be enough to boost your cultivation to ten thousand years?" 

"???" 

If the Thunder Hell Prison Vine had a human expression, it would surely have been filled with confusion. 

What? Absorbing a tribulation? 

However, upon reflection, the idea didn't seem impossible. But there were problems. Normally, when a tribulation beast undergoes its heavenly tribulation, external interference only intensifies the tribulation's ferocity. Entering its domain could invite catastrophic retaliation, and no tribulation beast would willingly let others siphon off its tribulation power. 

Moreover, the Thunder Hell Prison Vine couldn't exactly move around freely. What now? Wait for a nearby beast to grow strong enough for its tribulation? Absorbing lightning generated naturally or summoned by me is already a challenge. How do I even begin with tribulation lightning? 

"You've already found a twenty-thousand-year tribulation beast?" the vine asked skeptically. 

"I have," Su Yu affirmed, a confident smile on his face. "It's ready to break through any time now. When the time comes, the two of you will both become my soul rings." 

In the thunder-filled domain, the vine momentarily stopped absorbing lightning, as though it had just taken a sharp breath. 

"You've felt my ultimate life attribute, haven't you?" Su Yu asked, summoning a strand of Blue Silver Grass into his hand. Even in the crackling energy surrounding him, the grass exuded a pure, vibrant life force, uncorrupted by the ambient thunder energy. 

"With my ultimate life force sustaining you, your chances of reaching ten thousand years will be even greater." 

The Thunder Hell Prison Vine grumbled internally at Su Yu's words. Didn't I already say I'll reach ten thousand years? Bring on the heavenly tribulation—I'll devour it all! 

Su Yu continued, "The longer you endure, the higher your cultivation level will rise. After enduring your own ten-thousand-year tribulation, your cultivation could reach thirteen or fourteen thousand years." 

After explaining the plan in detail, Su Yu prepared to contact the Blue Silver Emperor. 

"When the time comes, I'll summon you through our contract. Don't resist," Su Yu instructed the vine before unfurling his wings and disappearing into the sky. 

---

The contract formation was primarily centered around Su Yu, ensuring he had control over the process of absorbing soul beasts into soul spirits. However, the drawback was that only Su Yu could summon the other party—never the reverse. 

While advanced spatial mastery might allow a contractee to transport themselves to the other's location, Su Yu wasn't at that level yet. 

Returning was much faster than arriving. Su Yu merely needed to head toward the coastline without worrying about pinpoint accuracy. 

A week later, Su Yu returned to Tianhai City. After resting for a day, he set off for the Blue Silver Emperor's valley. 

"You're preparing a soul device array here?" the Blue Silver Emperor asked, surveying the valley. 

The valley was expansive, but the upcoming twenty-thousand-year tribulation would undoubtedly draw immense attention, potentially attracting troublemakers. 

Su Yu abandoned the array idea after receiving a better suggestion from Yilao. 

"Use my undead sub-dimension," Yilao offered. 

"Undead sub-dimension?" Su Yu asked. 

Emerging from Su Yu's spiritual sea, Electrolux's ethereal figure materialized. After recent recovery efforts, Electrolux could now manifest this translucent form. 

Waving his hand, Electrolux summoned a gray portal before them. 

"This sub-dimension is one I created, a space to store undead creatures. It's been a long time since I last entered, but since it exists parallel to the Douluo Continent, heavenly tribulations will still manifest there." 

Su Yu stepped through the portal, finding himself in a silent, gray expanse. 

Within the dimension, undead creatures roamed, but Electrolux promptly gathered them into one area and sealed them away. 

"Teacher, you created this entire space by yourself?" Su Yu asked, astonished. 

Electrolux smiled faintly. "Once you master spatial manipulation, you'll understand. Creating a space is not difficult; maintaining its stability is the real challenge." 

Electrolux didn't elaborate further, instead asking if Su Yu was ready to absorb a soul ring here. 

"Of course. This place is perfect—isolated from interruptions and fully under your control," Su Yu said. 

Through their contract, Su Yu summoned the Blue Silver Emperor, informing it of his intent. Shortly after, a brilliant light filled the sub-dimension as the massive Blue Silver Emperor appeared. 

Although the deathly stillness of the sub-dimension was unsettling for the life-attributed Blue Silver Emperor, the faint light energy emanating from Su Yu's presence offered comfort. 

"What is this place?" the Blue Silver Emperor asked curiously. 

"Allow me to introduce my teacher," Su Yu said. "This is the Death Spirit Sage, the Scourge of the Undead, Electrolux. You may call him Yilao. He created this sub-dimension as a sanctuary for undead creatures." 

The Blue Silver Emperor was visibly shocked. An entire space, created by one being? Is this person even human? 

Su Yu outlined his plan, obtaining the Blue Silver Emperor's agreement. 

"No problem. I'm destined to fail a twenty-thousand-year tribulation anyway, so adding another party won't matter," the emperor said. 

However, it made one request. "If someone else interferes and the tribulation becomes more intense, I'll need your ultimate life force to support me. Only then can I ensure I last long enough for you to absorb the Thunder Hell Prison Vine." 

"Agreed," Su Yu responded without hesitation. 

(End of Chapter)